Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3MBZ callsign genealogy
Currently held by KIRK, EDWARD J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W3MBZ's current licensee, walking backwards.
- N3PPBcancelledcancelled 1998-04-29
Successor callsigns
Callsigns held now by people who previously held W3MBZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3MBZ, oldest first.
- KIRK, EDWARD J MD1986-11-25 → cancelled 1998-01-16
- KIRK, THOMAS J MD2018-01-30 active